When disassembling a lattice boom, workers must _____.
a. stand inside the boom and drive the connector pins out with hammers
b. stand outside the boom when removing connector pins
c. stand underneath the boom and help support it during disassembly
d. first remove connector pins between the boom pendant attachments and the boom hinge
b. stand outside the boom when removing connector pins
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Using the drawings for Billy’s Convenience Store (Appendix D), prepare an estimate for the structural steel found in the roof structure.
What will be an ideal response?
Schedules are used to duplicate the details of the item that appear on the print.
Answer the following statement true (T) or false (F)
Below is a graph of some samples taken from a sinusoid.
(a) What is the sampling rate f s ?
(b) If these samples have been taken properly (according to Shannon’s sampling theorem), what is the fundamental frequency f 0 of the sinusoid?
(c) The sinusoid from which the samples came can be expressed in the form A cos (2? f 0 t) . What is the numerical value of A?
(d) Specify the fundamental frequencies f 01 and f 02 of two other cosines of the same amplitude which, when sampled at the same rate, would yield the same set of samples.
____ are used to direct a dimension, note, or symbol to the intended place on a drawing.
A. Leaders B. Extension lines C. Contours D. Dimension lines